EDDY CURRENT INSPECTION
With its roots based in electromagnetism, eddy current inspections are now a widely used and well understood inspection technique for flaw detection, as well as thickness and conductivity measurements. To detect material flaws with this technique, Cadorath’s technicians use a single-element eddy current probe—a coil of conductive wire which is excited with an alternating electrical current. Defects cause a change in the eddy current and a corresponding change in phase and amplitude.
ADVANTAGES OF EDDY CURRENT INSPECTION
- Versatile and applicable to a wide range of materials.
- Because of its electrical nature, the process is limited to conductive material.
ORIGINS AND DEVELOPMENT
Léon Foucault is credited with discovering eddy currents in 1855 but the process started being used in industrial applications as a result of the English scientist Michael Faraday’s experiments.
The process requires ferrous alloys to be effective, thus leaving little to no room for experimentation with other materials or applications.
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INSPECTION & TESTING CAPABILITIES:
|INSPECTION AND TESTING|
|Liquid Penetrant Inspection||Magnetic Particle Inspection|
|Ultrasonic Inspection||Eddy Current Inspection|
|Nozzle Flow & Adjust||Coordinated Measuring Machines|